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问题 单项选择题

在职业安全健康管理体系文件中，不属于其常用文件格式的文件是（）。

A.程序文件

B.行政红头文件

C.手册

D.作业指导书

答案

参考答案：B

问答题

Many female PhD graduates have encountered an embarrassing problem: the high degree seems to be a disadvantage to them when they start dating.

Topic: Is a PhD degree a disadvantage for young females


Questions for reference:
1. Is it true that it is difficult for female PhD students to find their true love
2. What are the social and historical reasons
3. What do you think of the position of the female PhD graduates in society

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单项选择题

关于宽容度的描述，不正确的是

A．是指产生诊断密度(0.25～2.0)所对应的曝光量范围
B．反差系数越大，宽容度越小
C．反差系数越大，不同组织间的影像锐利度越高
D．反差越小，宽容度越大
E．反差越小，信息量减少
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